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Financial Instruments (Schedule Of Changes In Cash Flow Hedges In Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended
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Oct. 27, 2024 | Oct. 29, 2023
Derivative Instruments, Gain (Loss) [Line Items] |  |
OCI before tax accumulated derivative gain (loss) beginning of period | $ (11) | $ (5)
OCI before tax accumulated derivative gain (loss) end of period | (10) | 3
Foreign Exchange Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
OCI, before Reclassifications, before Tax, Attributable to Parent | 0 | 5
Interest Rate Contract [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
OCI, before Reclassifications, before Tax, Attributable to Parent | 0 | 3
Interest Rate Contract [Member] | Interest Expense [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | $ 1 | $ 0

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- Definition Accumulated balance, before tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
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